Improved stave-machine



UNITED 'STATES PATENT OFFICE.

CARMI HOBSON, OF HANNIBAL, MISSOURI.

IMPROVED STAVE-MACHINE.

Specification forming part of Letters Patent No. 10,988, dated May 30,1854.

T0 all whom t may concern: i

Be it known that I, CARMI IIOBsON, of Hannibal, in the county of Marion and State of Missouri, have made certain n'ew and useful Improvements in Machines for Dressing Staves; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawings, making a part thereof, in which Figure l represents a view from the front or that end of the machine into which the staves to be dressed are fedl in, and Fig. 2

represents a horizontal section taken through the machine at the red line of Fig. l.

Similar letters in both figures refer to like parts. i

The nature of my invention consists in the combination of the rim and Wheel, both provided with suitable cutters and concentrically arranged about the same axis, and these in combination with a fixed rest, so that by passing the stave through between the inner periphery of the rim and the vouter periphery of the wheel, both running in the same direction, the stave shall be dressed on both sides by a simultaneous operation and without the use of auxiliary guides, yielding rolllers, or other appliances than the said rim, V wheel, ,and rest.

upon which said shaft is placed the cuttingwheel D, provided with any convenient number of knives a a a, the particular shape of the cutting-edges of which knives is more distinctly seen at a, Fig. 2, and are for dressing theinside of the stave. Another shaft `E, parallel with that C, is placed on the horizontal timbers B, which shaft may receive its motion from the shaft C by means of pulleys and a. belt, in a manner well known to mechanicians, and which need not here be pose of communicating motion to said rim,

it running in the same direction and at about the same velocity with the wheel D. The rim Gr has no center to turn upon, but is supported in place by four friction rollers or pulleys I I I I on each side of it, there being a suitable slight recess cut on each edgeof the peripheryto cause it to run true on said pulleys. The rim G is also provided with a convenient number of knives b, for dressing the outside of the stave, the` particular form of which may be more distinctly seen at b in Fig. 2.

J in Fig. 2 represents the fixed rest upon which the stave is slid through between the wheel and rim. This rest is lirmly secured to the horizontal timbers B B and holds the stave while it is being acted upon by both the sets of cutters in the rim and wheel.

In Fig. l, K represents the space between the wheel and rim, through which the stave is forced by the hand as far as convenient,4

the next stave pushing it clear through; and different-sized staves are dressed in the same machine by throwing the wheel toward or from the rim vatl the point Where the staves are fed in, and for this purpose the wheel and rim must be adjustable in relation to each other. By reference to Fig. 2 it will be perceived that however thick or winding the stave may be the curve `of the cutters will catch it gradually, while by the large opening, into which it is at first fed, it may be v riphery of the wheel D serve as guides to hold up and steady the stave, so that it may be evenly operated upon on both sides.' The stave is fed through between the rim and wheel parallel with their shafts as nearly as v the natural shape of the stave will admit, and by the simple wheel, rim, and rest I make a perfect and rapidly-operatin g machine which my invention, what I claim therein as new, and

desire to secure by Letters Patent, is

The combination of the cutting-rim and Wheel hung in the saine Vertical plane, With the Xed rest passing between their cuttingsurfaces for the purpose of holding and controlling the stave While it is being dressed on both sides, substantially as described.

CARMI HOBSON. Witnesses:

A. B. STOUGHTON, SAML. GRUBB. 

